<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>hello</title>
		<style>
			
		</style>
	</head>
	<body>
		<script>
			["1","2","3"].map(function(parseInt){
				console.log(typeof parseInt)
			});
			
		</script>
	</body>
</html>
